from tkinter import *

root = Tk()
canvas = Canvas(root, width=500, height=500)
canvas.pack()

oval = canvas.create_oval(30, 10, 130, 80, fill="navajowhite2", outline="blue")
rectangle = canvas.create_rectangle(180, 10, 280, 80, fill="red", outline="blue")
polygon = canvas.create_polygon(330, 80, 380, 10, 430, 80, fill='yellow', outline="blue")


def OvalСlick(event):
    global rectangle, oval, polygon
    canvas.delete(ALL)
    canvas.create_text(80, 50, text="***")
    rectangle = canvas.create_rectangle(180, 10, 280, 80, fill="red", outline="blue")
    polygon = canvas.create_polygon(330, 80, 380, 10, 430, 80, fill='yellow', outline="blue")
    canvas.tag_bind(rectangle, '<Button-1>', RectangleСlick)
    canvas.tag_bind(polygon, '<Button-1>', PolygonСlick)



def RectangleСlick(event):
    global rectangle, oval, polygon
    canvas.delete(ALL)
    canvas.create_text(230, 50, text="***")
    oval = canvas.create_oval(30, 10, 130, 80, fill="navajowhite2", outline="blue")
    polygon = canvas.create_polygon(330, 80, 380, 10, 430, 80, fill='yellow', outline="blue")
    canvas.tag_bind(oval, '<Button-1>', OvalСlick)
    canvas.tag_bind(polygon, '<Button-1>', PolygonСlick)


def PolygonСlick(event):
    global rectangle, oval, polygon
    canvas.delete(ALL)
    canvas.create_text(380, 50, text="***")
    rectangle = canvas.create_rectangle(180, 10, 280, 80, fill="red", outline="blue")
    oval = canvas.create_oval(30, 10, 130, 80, fill="navajowhite2", outline="blue")
    canvas.tag_bind(oval, '<Button-1>', OvalСlick)
    canvas.tag_bind(rectangle, '<Button-1>', RectangleСlick)


canvas.tag_bind(oval, '<Button-1>', OvalСlick)
canvas.tag_bind(rectangle, '<Button-1>', RectangleСlick)
canvas.tag_bind(polygon, '<Button-1>', PolygonСlick)

root.mainloop()